Home / 102,664.19-141,675.09-57,342.83

Finding the Fourth Proportional to 102,664.19, 141,675.09 and 57,342.83

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Solution

The fourth proportional to 102,664.19, 141,675.09 and 57,342.83 is: 79,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,664.19 : 141,675.09 = 57,342.83 : x
  2. Step 2: Convert to fraction form
    102,664.19/141,675.09 = 57,342.83/x
  3. Step 3: Cross multiply
    102,664.19x = 141,675.09 × 57,342.83
  4. Step 4: Simplify right side
    102,664.19x = 8,124,050,601.10
  5. Step 5: Solve for x
    x = 8,124,050,601.10/102,664.19
  6. Step 6: Final answer
    x = 79,132.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.